HK

Hirotsugu Kasuya

HC Hitachi Construction Machinery Co.: 1 patents #701 of 1,234Top 60%
📍 Tsuchiura, JP: #340 of 519 inventorsTop 70%
Overall (All Time): #3,496,336 of 4,157,543Top 85%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
6823289 Pump trouble diagnosing device for hydraulic drive device and display device of the diagnosing device Yutaka Watanabe, Masami Ochiai 2004-11-23